List questions from pi

Published on 07 Dec 2018 - 16:58

219

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Help finding the formula for this sequence {$23$, $114$, $187$, $473$, $2792$, $5624$, $19640$, $75884$, $187211$, $479798$, $1452835$, $5102237$...}

Published on 15 Dec 2018 - 15:36

984

Views

Does decimal point count as a digit of pi?

Published on 16 Dec 2018 - 6:41

861

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Definition of the approx. symbol

Published on 16 Dec 2018 - 12:25

520

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Proof that $ \pi > 2 \cdot \sqrt{2}$ and $ \pi > 3 $

Published on 18 Dec 2018 - 22:40

501

Views

Who was Dalzell? $\pi$ < 22/7

Published on 21 Dec 2018 - 16:38

63

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Determination of $\pi$

Published on 23 Dec 2018 - 22:36

164

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Sum to Infinity of Trigonometry to $\pi$

Published on 25 Dec 2018 - 13:17

84

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How to use infinite series to bound $\pi$.

Published on 26 Dec 2018 - 20:28

1.6k

Views

Relationship between Catalan's constant and $\pi$

Published on 19 Mar 2026 - 23:12

155

Views

Sum of Infinity of Trigo to Pi

Published on 30 Dec 2018 - 14:25

68

Views

Why do $4\cdot 2^n\sin\frac{45}{2^n}$, $2\cdot 2^n\sin\frac{90}{2^n}$, and $1\cdot 2^n\sin\frac{180}{2^n}$ all tend to $\pi$?

Published on 30 Dec 2018 - 15:09

180

Views

A Series for $\pi$

Published on 30 Dec 2018 - 23:18

116

Views

Looking for a proof that $\pi$ is irrational using a series representation.

Published on 31 Dec 2018 - 19:21

303

Views

Using a gamblers race to approximate $\pi$

Published on 01 Jan 2019 - 22:45

List Question

Why does this 2Pi-Periodic function looks like this?

Help finding the formula for this sequence {$23$, $114$, $187$, $473$, $2792$, $5624$, $19640$, $75884$, $187211$, $479798$, $1452835$, $5102237$...}

Does decimal point count as a digit of pi?

Definition of the approx. symbol

Proof that $ \pi > 2 \cdot \sqrt{2}$ and $ \pi > 3 $

Who was Dalzell? $\pi$ < 22/7

Determination of $\pi$

Sum to Infinity of Trigonometry to $\pi$

How to use infinite series to bound $\pi$.

Relationship between Catalan's constant and $\pi$

Sum of Infinity of Trigo to Pi

Why do $4\cdot 2^n\sin\frac{45}{2^n}$, $2\cdot 2^n\sin\frac{90}{2^n}$, and $1\cdot 2^n\sin\frac{180}{2^n}$ all tend to $\pi$?

A Series for $\pi$

Looking for a proof that $\pi$ is irrational using a series representation.

Using a gamblers race to approximate $\pi$

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